US10426537B2

Method and instrument for tensioning a flexible tie

Summary by NHIP

Flexible Tie Tensioning Instrument

The instrument tensions a flexible tie around a bony element by translating a holder away from a rod-contacting shaft distal end. Distinctive features include a pivotable trigger engaging a tension control member, a dynamometer system providing visual tension indications, and two springs positioned between a carriage and either the shaft or trigger within a longitudinal slot.

Claim Score by NHIP

Read claim 14, the broadest

Abstract

A method and instrument for tensioning a flexible tie used for fastening an implant on a bony element by forming a first loop around it. In some embodiments, the instrument comprises a shaft having a distal end configured for contact with a rod, a moving part slidably engaged with the shaft, a holder connected to the moving part and configured to hold an end of the flexible tie, and a tension control member comprising a trigger that pivots relative to the moving part. In some embodiments, the method comprises coupling the end of the flexible tie to the instrument and squeezing the trigger to shorten the first loop of the flexible tie around the bony element, causing the moving part and the holder holding the end of the flexible tie to move in translation away from the distal end of the shaft, thereby exerting tension on the flexible tie.

US10426537B2, drawing sheet 1 — Sheet 1 of 4

Term

Term ended

Expired 20 September 2026, 0 years ago.

19 claims: 3 independent, 16 dependent

1
An instrument for tensioning a flexible tie, comprising:a shaft comprising a distal end configured for contact with a rod;a moving part slidably engaged with the shaft along an actuation axis;a holder connected to the moving part and configured to hold an end of the flexible tie, the holder being movable in translation relative to the shaft;a tension control member connected to the moving part and configured to cause the moving part and the holder holding the end of the flexible tie to move in translation away from the distal end of the shaft along the actuation axis, thereby exerting tension on the flexible tie;a handle extending from the moving part transverse to the actuation axis;a trigger that is pivotable relative to the moving part toward the handle to engage the tension control member and cause the moving part and the holder to move along the actuation axis;a dynamometer system located in the moving part and configured to provide a visual indication of a magnitude of tension in the flexible tie held by the holder as the trigger is actuated;a carriage disposed at least partially within the moving part, the holder extending from the carriage;a first spring located in the moving part adjacent the carriage and extending toward the distal end of the shaft;a second spring located in the moving part between the carriage and the tension control member;and a longitudinal slot located on the moving part, wherein the holder extends from the carriage through the longitudinal slot.
14
Broadest claimClaim Score 58, broad(NHIP)An instrument for tensioning a flexible tie, comprising:a rod extending along an axis, the rod comprising: a first end configured to engage an implantable stiffening rod;and a second end disposed opposite the first end;a body through which a length of the rod is configured to extend, the body comprising: a first end located toward the first end of the rod;a second end located toward the second end of the rod;and a longitudinal slot;a carriage located at least partially within the body and comprising a bore through which the rod extends;a post extending from the carriage transverse to the axis, the post extending through the longitudinal slot;a first spring located in the body between the first end of the body and the carriage;and a mark located on the body to provide a visual indication of compression placed on the first spring between the first end of the body and the carriage regardless of a position of the rod relative to the body.
19
An instrument for tensioning a flexible tie, comprising:a shaft comprising a distal end configured for contact with a rod;a moving part slidably engaged with the shaft along an actuation axis;a holder connected to the moving part and configured to hold an end of the flexible tie, the holder being movable in translation relative to the shaft;a tension control member connected to the moving part and configured to cause the moving part and the holder holding the end of the flexible tie to move in translation away from the distal end of the shaft along the actuation axis, thereby exerting tension on the flexible tie;a handle extending from the moving part transverse to the actuation axis;a trigger that is pivotable relative to the moving part toward the handle to engage the tension control member and cause the moving part and the holder to move along the actuation axis;wherein the handle is disposed in proximity to the trigger to allow for simultaneous grasping of both the handle and the trigger, wherein the trigger further comprises a finger extending into the moving part, and wherein rotating the trigger in a first direction relative to the handle engages the finger of the trigger with the shaft;a dynamometer system located in the moving part and configured to provide a visual indication of a magnitude of tension in the flexible tie held by the holder as the trigger is actuated;a plate comprising an opening through which the shaft is received, the opening of the plate comprising a diameter that is slightly greater than a diameter of the shaft;an arm extending from the moving part;and a spring, wherein when the trigger is disengaged from the shaft the arm biases the plate to a sloped orientation relative to the shaft to inhibit movement, and wherein when the trigger engages the shaft and moves the shaft in the first direction, the spring biases the plate into a substantially perpendicular orientation relative to the shaft to enable translational movement of the moving part relative to the shaft, the shaft being translatable through the opening of the plate.

Independent claims3

36 paragraphs in 6 sections, as filed

This application is a continuation of and claims a benefit of priority under 35 U.S.C. § 120 from U.S. patent application Ser. No. 12/408,592, filed Mar. 20, 2009, entitled “FLEXIBLE TIE FASTENING SYSTEM,” which is a continuation of and claims priority from U.S. patent application Ser. No. 11/996,918, filed Jan. 25, 2008, entitled “AN INSTRUMENT FOR TENSIONING A FLEXIBLE TIE,” which is the National Stage of International Application No. PCT/FR2006/050909, filed Sep. 20, 2006, which claims priority from French Patent Application No. 0509629, filed on Sep. 21, 2005. This application also relates to U.S. patent application Ser. No. 13/154,257, filed Jun. 6, 2011, entitled “SPINAL IMPLANT WITH FLEXIBLE TIE.” The content of each application referenced herein is hereby incorporated as if fully set forth herein.

TECHNICAL FIELD OF THE INVENTION

The invention relates to a method and instrument for tensioning a flexible tie used for fastening an implant on a bony element by forming a first loop around the bony element.

The spine is made up of a superposition of vertebrae, that are normally aligned along a vertebral axis, going from the lumbar vertebrae to the cervical vertebrae, with each vertebra presenting a posterior wall from which there projects a spinous process and two side edges having walls from which there project the ribs and/or transverse processes. When an individual's spine presents abnormal curvature, the vertebrae are inclined relative to one another and relative to said vertebral axis. The lateral edges of the vertebrae situated on one side are thus closer to one another and form a concave curve, while the lateral edges on the other side appear spaced apart from one another and form a convex curve.

In order to straighten the spinal column, the lateral edges of the vertebrae on the concave side are spaced apart from one another and are taken relative to one another to a distance that is substantially equivalent to the distance between the lateral edges on the other side. Thereafter, in order to keep the vertebrae in that position relative to one another, known devices are used that have screws for insertion into the vertebrae or hooks for inserting along the inside wall of the spinal canal, associated with rods for interconnecting the screws or the hooks.

SUMMARY OF THE INVENTION

The hooks are generally inserted in pairs in each vertebra and on either side close to the pedicles, the heads of the hooks projecting from the posterior wall of a vertebra, one on either side of the spinous process. The heads may be tulip-shaped, for example, and they are suitable for receiving a rod which is secured by means of a nut screwed onto the head and bearing against the rod. Rows constituted by the heads of the hooks situated on either side of the spinous processes are interconnected and held in fixed position by two rods that are parallel to each other and to the axis of the spine.

Nevertheless, using such hooks is tricky, since under no circumstances must the operator harm the spinal cord that extends in the center of the spinal canal, since that would lead to paralysis for the patient.

The use of screws makes it possible to reduce the risks of such surgery. They likewise have tulip-shaped heads and they are inserted in pairs in the posterior walls of vertebrae in the pedicles on either side of the spinous processes. Thus, the screws constitute fastening points in the vertebrae for holding them relative to one another. Nevertheless, the screws are necessarily inserted into the pedicles of the vertebrae, and under certain circumstances, the pedicles may be small in size or they may be damaged.

A problem which arises, and which the invention seeks to solve, is how to obtain such fastening points when it is not possible to introduce screws into the vertebrae in the curved portion, and when using hooks would be too dangerous.

In PCT patent application WO 2004/010881 in the name of the Applicant, a vertebral fastener system is described that enables this problem to be solved.

That vertebral fastener system suitable for mounting on a vertebra of the spine for connection to a rod comprises: <ul id="ul0001" list-style="none"><li id="ul0001-0001" num="0000"><ul id="ul0002" list-style="none"><li id="ul0002-0001" num="0011">a connection piece disposed facing said rib and/or said transverse process, and suitable for being connected to said rod;</li><li id="ul0002-0002" num="0012">a flexible tie of elongate shape suitable for connecting together said connection piece and at least one rib and/or transverse process; and</li><li id="ul0002-0003" num="0013">adjustable locking means secured to said connection piece, said tie presenting a first end secured to said connection piece and a free second end suitable for sliding in said connection piece and to form a loop, said locking means being suitable for simultaneously holding said connection piece in a fixed position relative to the rod and a portion of said tie extending between said ends being suitable for being locked in translation relative to said connection piece by said adjustable locking means, whereby the loop presents a length that is determined in such a manner as to prevent relative displacement of said rod and of said vertebra in opposite directions.</li></ul></li></ul>

Other flexible tie systems for fastening to a vertebra can be used. This applies in particular to the system shown in accompanying <figref idref="DRAWINGS">FIG. 1</figref>.

It comprises a connection piece 12 constituted by two jaws 20 and 22 that are hinged together at one end about an axis 24. The two jaws have recesses enabling a rod 18 to be put into place and allowing a braid or tie 14 to pass through, the tie forming a loop 28 on one side of the connection piece 12 and two free ends 30 and 32 on the other side of said piece. The connection system also has a locking member constituted by a screw 16 that can be engaged in the ends of the jaws 20 and 22 remote from their hinged ends. The portions of the tie 14 that are engaged in the recesses are secured to the connection piece by being pinched between the walls of the recesses in the connection piece and the rod 18 when the locking screw 16 is fully tightened.

It can be understood that in order to ensure that said assembly is properly fastened on a transverse process, on a rib, or on a portion of the posterior arc of a vertebra, it is necessary to exert tension on the free ends 30 and 32 of the tie 14.

It will also be understood that with the first-described fastener system, it is also necessary to exert tension on the single free end of the tie in order to ensure correct fastening on the bony element.

U.S. Pat. No. 5,964,769 discloses a device serving to exert tension on a cable used for fastening a medical device on a hone. That device presents the drawbacks of acting directly on the tie-tightening device and no disposition allows the tension exerted on the tie to be controlled.

An object of the invention is to provide an instrument for tensioning a flexible tie of an implant that ensures that it is tensioned effectively while nevertheless being easy for the surgeon to use.

To achieve this object, the invention provides an instrument for tensioning a flexible tie used for fastening an implant onto a bony element of a patient by forming a first loop around the bony element, said tie presenting at least one end that projects out from said implant, and said instrument comprises: <ul id="ul0003" list-style="none"><li id="ul0003-0001" num="0000"><ul id="ul0004" list-style="none"><li id="ul0004-0001" num="0021">a rod having a first end provided with bearing means for bearing against said implant;</li><li id="ul0004-0002" num="0022">a moving part that is movable in translation and that surrounds said rod over a fraction of its length;</li><li id="ul0004-0003" num="0023">holder means for holding the end of said tie, said holder means being connected to said moving part by a dynamometer system; and</li><li id="ul0004-0004" num="0024">control means mounted on said moving part to cause the moving part to move relative to said rod, thereby tending to move the first end of the rod away from said moving part, thereby exerting tension on said tie relative to said implant.</li></ul></li></ul>

It will be understood that since the rod bears against the implant, the moving part is secured either to the second loop of the tie, or to the free end of said tie serves to exert tension on said tie, thereby ensuring appropriate tightening of the first loop of the tie on the bony element.

In addition, when the surgeon acts on the control means, the surgeon knows when the appropriate tension has been applied, thus making it possible to avoid untimely breaking of the tie or damage to the bony element.

Preferably, the instrument further comprises an anti-return system for temporarily preventing said rod and said moving part moving in translation relative to each other, in the absence of action on the control means.

Preferably, the dynamometer system comprises a carriage that is movable in translation relative to the rod and to the moving part, said tie-holder stud being secured to said carriage, and a compression spring being interposed between said carriage and a portion of the moving part.

Also preferably, the control means comprise a trigger mounted to pivot relative to the moving part and presenting a manual actuator portion and a finger that acts on said rod.

Also preferably, the instrument further comprises a handle secured to said moving part and disposed in such a manner that the user can grasp said trigger and said handle simultaneously.

BRIEF DESCRIPTION OF THE DRAWINGS

Other characteristics and advantages of the invention appear better on reading the following description of an embodiment of the invention given by way of non-limiting example. The description refers to the accompanying figures, in which:

<figref idref="DRAWINGS">FIG. 1</figref>, described above, shows an example of an implant with a fastener tie with which the instrument of the invention can advantageously be used;

<figref idref="DRAWINGS">FIG. 2</figref> is a perspective view of the instrument assembly of the invention;

<figref idref="DRAWINGS">FIG. 3</figref> is an exploded view of the disassembled instrument showing its internal mechanisms; and

<figref idref="DRAWINGS">FIG. 4</figref> is a perspective view showing the instrument in use with an implant of the type shown in <figref idref="DRAWINGS">FIG. 1</figref>.

DETAILED DESCRIPTION

With reference initially to <figref idref="DRAWINGS">FIG. 2</figref>, there follows a description of the instrument assembly 40. It is essentially constituted by a rod 42 having a first end 42a fitted with bearing means 44 for bearing against the implant on which the tie is to be tensioned. The instrument 40 also has a moving part 46 that is movable in translation relative to the rod 42. The moving part 46 is generally cylindrical in shape and is provided with a handle 48. The moving part 46 also has a stud 50 on its portion remote from the handle 48. As explained below, the stud 50 serves to hold the tie on which tension is to be applied. The instrument 40 also comprises a control member constituted by a trigger 52. As explained below, actuating the trigger 52 serves to cause the moving part 46 to move rearwards relative to the rod 42 in the direction of arrow F. In addition, at its end 46a opposite from its end 46b closest to the bearing element 44, the moving part 46 is fitted with an anti-return system acting on the rod 42. As explained in greater detail below, the anti-return system 54 enables the rod 42 and the moving part 46 to be held together temporarily in translation so long as no action is exerted on the trigger 52.

With reference more particularly to <figref idref="DRAWINGS">FIG. 4</figref>, there follows a description in general terms of how the instrument 40 is used. In this figure, there can be seen a vertebral fastener system 10 of the type shown in <figref idref="DRAWINGS">FIG. 1</figref>. In this figure, there can be seen the rod 18, the connection piece 12, and the first fastener loop 28 formed by the tie 14 of the fastener system. This figure also shows that the free end 32 of the tie 14 is connected to the other free end 30 of the same tie by a fastener element 55 of suitable type. Thus, the tie 14 forms a second loop 56.

In use, the bearing means 44 of the instrument bear against the rod 18 on either side of the connection piece 12. The second loop 56 of the tie 14 is engaged on the stud 50 of the moving part 46 of the instrument. It will be understood that when the surgeon exerts action by using the trigger 52 and the handle 48, this causes the moving part 46 to move backwards in the direction F relative to the rod 18, thereby applying traction to the tie as a whole, and in particular to its loop 28. The surgeon can exert successive actions on the trigger 52 because of the presence of the anti-return system 54. As explained below, the instrument is preferably also fitted with a dynamometer system that enables the surgeon to see when a suitable tension has been exerted on the tie 14. Once the suitable tension has been exerted, the instrument 40 is separated from the loop 56 in the tie 14, and the portions of the tie 14 that project beyond the connection piece 12 are cut off.

With reference to <figref idref="DRAWINGS">FIG. 3</figref>, there follows a description in greater detail of the mechanisms of the instrument 40. This figure shows the cylindrically-shaped moving part 46 on which the handle 48 is secured. The trigger 52 is hinged relative to the handle 48 about a pin 60. The trigger 52 has a grip portion 52a and a finger 52b for controlling the rod 42, for which finger 52b projects beyond the pivot pin 60. The finger 52b penetrates into the moving part 46 via a slot (not shown). The rod 42 is slidably engaged in the moving part 46.

Various elements that are described below are mounted around the rod 42 inside the moving part 46 having open ends that are closed by endpieces 62 and 64 each pierced by an axial bore for passing the rod 42. A spring 66 and a plate 68 constituting the anti-return system are mounted outside the moving part 46, around the rod 42. The plate 68 is pierced by a bore 70 of diameter that is slightly greater than the diameter of the rod. The plate 68 has a tongue 72 that can bear against an arm 74 secured to the rear portion of the moving part 46. Inside the moving part 46 and starting from its end closed by the endpiece 64, there is a spacer cylinder 76, a transmission part 78 constituted by an annular portion 78a and by a stud 78b suitable for co-operating with the finger 52b of the trigger 52. The transmission part 78 is associated with a spring 80. Thereafter there is a carriage 82 having a cylindrical portion 82a engaged around the rod 42 and two external projections 82b. The projections 82b of the carriage 82 are external to the moving part 46 by virtue of a longitudinal slot 84 therein. This external portion of the carriage 82 has the tie-holding stud 50 secured thereto. The carriage 82 is associated with a dynamometer spring 86 which is interposed between the endpiece 62 and the front face of the cylindrical portion 82a of the carriage 82.

In the absence of any action on the trigger 52, the plate 68 of the anti-return system slopes relative to the rod 42 because of the presence of the end 74a of the arm 74, thus causing the rod 42 and the moving part 46 to be temporarily secured to each other in translation. When action is exerted on the trigger 52, the movement of the rod releases the plate 68 and thus allows the rod 42 to move relative to the moving part 46. Similarly, when no action is applied to the trigger 52, the transmission part 78 is free, whereas, in contrast, when action is applied to the trigger 52, the finger 52b acts on the stud 78b of the transmission part 78, thereby temporarily securing it to the rod 42. This temporary connection serves to move the rod 42 relative to the part 46 under the effect of the trigger being actuated.

The dynamometer system operates in simple manner. Under the effect of the rod 42 moving in the direction F relative to the part 46, the dynamometer spring 86 is compressed, causing the carriage 82 to perform relative movement. A mark on the outside face of the moving part 46 makes it possible to detect when the appropriate tension has been applied, this tension corresponding naturally to the dynamometer spring 86 being subjected to predetermined compression.

In the description above, it is assumed that the tie 14 has a second loop used for holding onto the tensioning stud 50 of the instrument. When the tie of the implant has only one free end, this end can be held on the stud 50 or on any other appropriate fastener system so as to exert in the same manner the desired tension on the end of the tie and thus on the loop 28 formed thereby.

Contents6

Every citation, both waysCites: the store holds 229 of 230

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Showing 100 of 443

17 members in 6 offices

This recordMember, by publication datePriority claim

Priority claims23

Priority claims
Document	Office	Kind	Date
0509629	France	–	2005-09-21
0509629	France	A	2005-09-21
0509629	France	A	2005-09-21
2006050909	France	W	2006-09-20
2006050909	France	W	2006-09-20
99691808	United States of America	A	2008-09-29
99691808	United States of America	A	2008-09-29
40859209	United States of America	A	2009-03-20
40859209	United States of America	A	2009-03-20
201113154257	United States of America	A	2011-06-06
201113154257	United States of America	A	2011-06-06
201815921418	United States of America	A	2018-03-14
0509629	–	–	–
11996918	–	–	–
12408592	–	–	–
13154257	–	–	–
FR20050009629	–	–	–
PCTFR2006050909	–	–	–
US20080996918	–	–	–
US20090408592	–	–	–
US201113154257	–	–	–
US201815921418	–	–	–
WO2006FR50909	–	–	–

Members17

Family members, oldest first
Document	Office	Kind
FR2890851A1	France	A1	2007-03-23
WO2007034112A1	World Intellectual Property Organization (WIPO)	A1	2007-03-29
EP1933743A1	European Patent Office (EPO)	A1	2008-06-25
US2009138048A1	United States of America	A1	2009-05-28
US2009182379A1	United States of America	A1	2009-07-16
EP1933743B1	European Patent Office (EPO)	B1	2011-03-23
AT502590T	Austria	T	2011-04-15
ATE502590T1	Austria	T1	2011-04-15
DE602006020893D1	Germany	D1	2011-05-05
US2011238118A1	United States of America	A1	2011-09-29
US2011238125A1	United States of America	A1	2011-09-29
US8162946B2	United States of America	B2	2012-04-24
US8323318B2	United States of America	B2	2012-12-04
US8814910B2	United States of America	B2	2014-08-26
US9949778B2	United States of America	B2	2018-04-24
US2018199973A1	United States of America	A1	2018-07-19
US10426537B2This record	United States of America	B2	2019-10-01

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2023-11-06	Expire PatentEXP.	EXP.
2023-05-22	Maintenance Fee Reminder MailedREM.	REM.
2019-10-01	Recordation of Patent Grant MailedPGM/	PGM/
2019-10-01	Patent Issue Date Used in PTA CalculationAllowedPTAC	PTAC
2019-09-12	Email NotificationEML_NTR	EML_NTR
2019-09-11	Issue Notification MailedAllowedWPIR	WPIR
2019-08-24	Dispatch to FDCD1935	D1935
2019-08-23	Application Is Considered Ready for IssuePILS	PILS
2019-08-22	Supplemental Papers - Oath or DeclarationC600	C600
2019-08-22	Issue Fee Payment VerifiedN084	N084
2019-08-22	Issue Fee Payment ReceivedIFEE	IFEE
2019-05-24	Electronic ReviewELC_RVW	ELC_RVW
2019-05-24	Email NotificationEML_NTF	EML_NTF
2019-05-24	Mail Notice of AllowanceAllowedMN/=.	MN/=.
2019-05-22	Notice of Allowance Data Verification CompletedAllowedN/=.	N/=.
2019-05-14	Date Forwarded to ExaminerFWDX	FWDX
2019-05-06	Response after Non-Final ActionA...	A...
2019-02-06	Electronic ReviewELC_RVW	ELC_RVW
2019-02-06	Email NotificationEML_NTF	EML_NTF
2019-02-06	Mail Non-Final RejectionNon-final rejectionMCTNF	MCTNF
2019-01-30	Non-Final RejectionNon-final rejectionCTNF	CTNF
2019-01-30	Information Disclosure Statement consideredIDSC	IDSC
2019-01-30	Information Disclosure Statement consideredIDSC	IDSC
2019-01-17	Case Docketed to Examiner in GAUDOCK	DOCK
2018-11-19	Case Docketed to Examiner in GAUDOCK	DOCK
2018-07-20	Email NotificationEML_NTR	EML_NTR
2018-07-19	Application ready for PDX access by participating foreign officesCCRDY	CCRDY
2018-07-19	PG-Pub Issue NotificationPG-ISSUE	PG-ISSUE
2018-06-25	Case Docketed to Examiner in GAUDOCK	DOCK
2018-05-09	Information Disclosure Statement (IDS) FiledM844	M844
2018-05-09	Information Disclosure Statement (IDS) FiledWIDS	WIDS
2018-04-30	Preliminary AmendmentA.PE	A.PE
2018-04-12	Email NotificationEML_NTR	EML_NTR
2018-04-12	Application Is Now CompleteCOMP	COMP
2018-04-12	Filing ReceiptFLRCPT.O	FLRCPT.O
2018-04-12	Application Is Now CompleteCOMP	COMP
2018-04-11	Case Docketed to Examiner in GAUDOCK	DOCK
2018-04-11	Application Dispatched from OIPEOIPE	OIPE
2018-04-11	FITF set to NO - revise initial settingFTFI	FTFI
2018-03-27	Cleared by OIPE CSRL194	L194
2018-03-14	Information Disclosure Statement (IDS) FiledM844	M844
2018-03-14	Patent Term Adjustment - Ready for ExaminationPTA.RFE	PTA.RFE
2018-03-14	PTO/SB/69-Authorize EPO Access to Search ResultsSREXR141	SREXR141
2018-03-14	Applicants have given acceptable permission for participating foreignAPPERMS	APPERMS
2018-03-14	Information Disclosure Statement (IDS) FiledWIDS	WIDS
2018-03-14	IFW Scan & PACR Auto Security ReviewSCAN	SCAN
2018-03-14	Entity Status Set To Undiscounted (Initial Default Setting or Status Change)BIG.	BIG.
2018-03-14	Initial Exam Team nnIEXX	IEXX

9 legal events, as the office reported them to INPADOC

Over the term

Point at a mark for the event

Events

Legal events, newest first
	Event	Code
2023-11-28	Lapsed due to failure to pay maintenance feeLapsedFP	FP
2023-11-06	Lapse for failure to pay maintenance feesLapsedPATENT EXPIRED FOR FAILURE TO PAY MAINTENANCE FEES (ORIGINAL EVENT CODE: EXP.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITYLAPS	LAPS
2023-11-06	Information on status: patent discontinuationPATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362STCH	STCH
2023-05-22	Fee payment procedureMAINTENANCE FEE REMINDER MAILED (ORIGINAL EVENT CODE: REM.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITYFEPP	FEPP
2019-09-11	Information on status: patent grantGrantedPATENTED CASESTCF	STCF
2019-08-23	Information on status: patent application and granting procedure in generalPUBLICATIONS -- ISSUE FEE PAYMENT VERIFIEDSTPP	STPP
2019-05-22	Information on status: patent application and granting procedure in generalNOTICE OF ALLOWANCE MAILED -- APPLICATION RECEIVED IN OFFICE OF PUBLICATIONSSTPP	STPP
2019-02-04	Information on status: patent application and granting procedure in generalNON FINAL ACTION MAILEDSTPP	STPP
2018-03-14	Fee payment procedureENTITY STATUS SET TO UNDISCOUNTED (ORIGINAL EVENT CODE: BIG.); ENTITY STATUS OF PATENT OWNER: LARGE ENTITYFEPP	FEPP

Method and instrument for tensioning a flexible tie

Summary by NHIP

Claim Score by NHIP

Abstract